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SUBSEQUENT EVENTS (Details) (Subsequent events, USD $) | 0 Months Ended |
--- | --- | ---
Feb. 04, 2014 | Feb. 27, 2014
Subsequent events |  |
SUBSEQUENT EVENTS |  |
Underwritten public offering (in shares) | 25,875,000 |
Public offering price (in dollars per share) | $ 4.00 |
Net approximate cash proceeds from public offering after deducting the underwriting discount and estimated offering expenses | $ 96,700,000 |
Aggregate future minimum payments for operating lease obligations under amended agreement |  | $ 1,382,000

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- Definition Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717 + Details
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